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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Salmonflies
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

Dorsal view of a Limnephilidae (Giant Sedges) Caddisfly Larva from the Yakima River in Washington
This specimen resembled several others of around the same size and perhaps the same species, which were pretty common in my February sample from the upper Yakima. Unfortunately, I misplaced the specimen before I could get it under a microscope for a definitive ID.
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Caddisfly Species Rhyacophila angelita (Green Sedges)

Where & when

Time of year : September and October

This transcontinental species, like Rhithrogena brunnea, is far more abundant in the West than elsewhere.

In 48 records from GBIF, adults of this species have mostly been collected during August (44%), September (17%), October (13%), July (8%), June (8%), and May (6%).

In 41 records from GBIF, this species has been collected at elevations ranging from 10 to 10466 ft, with an average (median) of 8022 ft.

Species Range

Egg-Laying behavior

Time of day: Evening

Larva & pupa biology

Current speed: Fast

Environmental tolerance: Prefers clear water


Start a Discussion of Rhyacophila angelita

References

  • LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.

Caddisfly Species Rhyacophila angelita (Green Sedges)

Taxonomy
Species Range
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